gint len);
/* logging */
-void debug_print(const gchar *format, ...) G_GNUC_PRINTF(1, 2);
-void log_print (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
-void log_message(const gchar *format, ...) G_GNUC_PRINTF(1, 2);
-void log_warning(const gchar *format, ...) G_GNUC_PRINTF(1, 2);
-void log_error (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
+void set_log_file (const gchar *filename);
+void close_log_file (void);
+void debug_print (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
+void log_print (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
+void log_message (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
+void log_warning (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
+void log_error (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
#endif /* __UTILS_H__ */